Ask a Question forum: Cacti Discolouration

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UK
Nesse
Feb 10, 2017 3:10 PM CST
Hello, I have had this particular cactus for around two years now without any problems.

After Recently returning from holiday I noticed some light brown discoloration on one of the stems.

I cannot see any darker discolouration near the root so suspect it could be temperature damage or sunburn?
(I live in the UK which can get below zero during winter)

Has anyone had any similar Issues?

Any advice would be appreciated!
Thumb of 2017-02-10/visitor/6245db

Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
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DaisyI
Feb 10, 2017 5:39 PM CST
Is the damage on just one side? It looks frost bit, especially if its only on the side facing the window. Did you turn your heat down while you were away?
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

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UK
Nesse
Feb 10, 2017 9:34 PM CST
Hello Daisyl Thank You!

Thanks for getting back to me!
Thinking about it, that would be the most obvious explanation, the side that was facing window while I was away was probably exposed to minus temperatures during the night..

If this is the case, what would be the best method of treatment be?
Should I remove the rotted sections of the cactus or leave them? Will leaving
the rotted sections create problems for the rest of the cactus?

[Last edited by Nesse - Feb 10, 2017 9:40 PM (+)]
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Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Feb 10, 2017 10:16 PM CST
I wouldn't do anything yet. The damaged parts of the cactus will either dry up or rot. Hope for dry up. Your cactus will be permanently scarred but still alive. If the affected areas start to turn black and mushy, then its time to operate. Dark but papery is not rot.

In the mean time, let the cactus dry out - don't water it. Keep it on the cool side but don't freeze it again. Warmth and water will encourage rot.

Good luck! Keep us posted.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

Webmaster: osnnv.org

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